FPCN39 CWLW 251430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 25 DECEMBER 2001 FOR TODAY. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF LOCAL MOUNTAINS OR HILLS. 25-December-2001 SOUTHERN INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FRASER CANYON 10/POOR 6 249 13/POOR 7 337 11/POOR 6 293 KAMLOOPS 13/POOR 15 396 18/POOR 10 521 15/POOR 12 431 OKANAGAN 18/POOR 21 539 19/POOR 11 631 15/POOR 9 588 CASTLEGAR 11/POOR 9 542 14/POOR 8 614 19/POOR 14 622 CRANBROOK 13/POOR 20 974 11/POOR 5 1014 15/POOR 9 1058 REVELSTOKE 13/POOR 15 486 17/POOR 11 575 15/POOR 16 512 GOLDEN 9/POOR 4 798 9/POOR 2 797 11/POOR 9 818 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 31 S 20 CRANBROOK N 22 NW 17 CENTRAL INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M QUESNEL 23/POOR 27 644 29/POOR 21 735 25/POOR 21 688 100 MILE 26/POOR 26 1068 29/POOR 22 1119 23/POOR 23 1059 WILLIAMS LAKE 19/POOR 25 1017 31/POOR 21 1147 24/POOR 23 1069 PUNTZI MTN 10/POOR 5 933 13/POOR 10 983 11/POOR 12 945 PRINCE GEORGE 17/POOR 25 754 20/POOR 14 834 13/POOR 10 765 BURNS LAKE 23/POOR 18 861 22/POOR 17 865 20/POOR 15 855 SMITHERS 29/POOR 17 753 29/POOR 17 751 20/POOR 15 665 MCBRIDE 14/POOR 18 785 14/POOR 18 779 15/POOR 19 786 CLEARWATER 17/POOR 20 466 22/POOR 18 532 15/POOR 18 458 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE S 11 SW 24 SMITHERS SW 65 SW 67 NORTHERN BC/YUKON TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FORT NELSON 11/POOR 22 397 9/POOR 3 397 9/POOR 7 392 FT ST JOHN 11/POOR 20 710 11/POOR 18 719 11/POOR 8 734 WHITEHORSE 14/POOR 27 736 15/POOR 31 738 29/POOR 30 836 DAWSON 16/POOR 27 421 21/POOR 42 425 36/FAIR 35 525 WATSON LAKE 10/POOR 19 700 12/POOR 18 719 9/POOR 9 699 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 43 SW 76 WATSON LAKE W 52 W 48 WHITEHORSE S 56 SW 63 MAYO SW 35 SW 39 COAST TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M VANCOUVER 18/POOR 29 62 16/POOR 22 62 25/POOR 22 143 FRASER VALLEY 16/POOR 21 123 14/POOR 10 155 18/POOR 16 159 SQUAMISH 15/POOR 19 110 19/POOR 19 155 20/POOR 20 154 SRN VAN ISLD 18/POOR 21 99 17/POOR 17 105 16/POOR 15 105 CNTRL VAN ISLD 16/POOR 24 77 31/POOR 19 252 23/POOR 14 215 NRN VAN ISLD 16/POOR 36 56 17/POOR 36 62 30/POOR 37 135 TERRACE 11/POOR 17 240 11/POOR 15 238 18/POOR 17 319 STEWART 11/POOR 18 23 11/POOR 21 28 15/POOR 22 54 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SE 28 SE 33 S 41 SANDSPIT S 52 S 52 S 39 PORT HARDY S 78 S 74 S 87 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/